Are You a Heating & Cooling Expert or a Beginner?When you need to make holes, this tool is the go-to. What is it called?17%Next Correct Incorrect Since power outlets are often unavailable when working on HVAC units, a cordless drill is essential. When you need to make holes, this tool is the go-to. What is it called? Cordless drill Flashlight Flat nose pliers Multipurpose screwdriver 17%
